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Woodturning (rec.crafts.woodturning) To discuss tools, techniques, styles, materials, shows and competitions, education and educational materials related to woodturning. All skill levels are welcome, from art turners to production turners, beginners to masters. |
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#1
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dust collection on lathe
My original shop went under 7' of salt water in New Orleans last year during
Katrina. I am now setting up a new one on high ground in Dallas, TX. I have a 20" Powermatic and a Orinda 2 HP Dust Gorilla. I am presently running the duct work. What kind of shop made collection device should I use and where should it be located? For those of you who answered my post about wood face plates - many thanks. I finally resorted to the telephone and found that the search string had to be: 1-1/4-8, not 1.25 x 8 tpi or some variation on this theme. |
#2
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dust collection on lathe
In article ,
"Paul Gilbert" wrote: My original shop went under 7' of salt water in New Orleans last year during Katrina. I am now setting up a new one on high ground in Dallas, TX. I have a 20" Powermatic and a Orinda 2 HP Dust Gorilla. I am presently running the duct work. What kind of shop made collection device should I use and where should it be located? I have http://www.pennstateind.com/store/dlgulp.html at my lathe, but that is -NOT- enough. I also wear a full-face sheild/dust mast (Trend), when I was roughing (NOT sanding) a Pauduk bowl, the pre-filter looked like this http://home.wavecable.com/~n7bsn/Photo/filter.jpg . I also use a whole shop air-filter (that hangs from the ceiling) -- -------------------------------------------------------- Personal e-mail is the n7bsn but at amsat.org This posting address is a spam-trap and seldom read RV and Camping FAQ can be found at http://www.ralphandellen.us/rv |
#3
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dust collection on lathe
Paul Gilbert wrote:
I have a 20" Powermatic and a Orinda 2 HP Dust Gorilla. I am presently running the duct work. What kind of shop made collection device should I use and where should it be located? Paul, I've been using a shop-built whole-shop air cleaner for a little over 9 months. I replaced the filters last week at a cost of about $60. In those 9 months, I've only needed to vacuum the shop shelves once. The floor gets it 4-5 times a week ... sometimes 2-3 times in the day. Obviously the shop does not stand idle long. I had some dunnage plywood that was 40x40. I used that for the front and rear of a plenum box. This box houses a furnace fan feeding off (2) 800 Sq inch filter stacks (20 x 20 filters taped edgewise for a 40 x 20 assembly). Each stack consists of a regular household filter followed by a 5 micron filter followed by a .3 micron filter. The sides of the box are open with braces to keep the filters from being sucked in. The filters are held in place by the suction generated. The fan output generates quite a breeze along the floor. I would guesstimate that my shop air is being filtered roughly 3-4 times a minute. Big dust drops where it is made, the fine stuff heads back along the sidewalls toward the intake filters on the air cleaner. The bags for the DC are in the return stream and closer to the air cleaner than I am. Modify this general scheme to suit the available material and I think you'll find that you have more than adequate ambient air filtration. Ralph made a good point ... don't rely on a single method to provide safe air. Use a respirator, point of origin dust / chip collection and a good sized ambient air filter. Above all else ... wear that respirator and test the seal. Bill -- Preach the gospel at all times. Use words if necessary. St Francis of Assisi --- avast! Antivirus: Outbound message clean. Virus Database (VPS): 0701-0, 01/03/2007 Tested on: 1/3/2007 8:10:45 PM avast! - copyright (c) 1988-2007 ALWIL Software. http://www.avast.com |
#4
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dust collection on lathe
I'm not sure what you are asking here. Oneida will help you determine
what you need as far as duct work. As for collection at the lathe, there are several options. Oneway has a sanding hood that will work well for bowl sanding. I never checked the price, but it looks very slick so is probably very expensive. I made one by using a food grade 50 gallon barrel half that was cut out to leave the front and tailstock end open. It mounts on a wood bracket that is bolted on where the safety shield goes. With a bit of clear plastic on the tailstock end, I can sand black walnut all day long without a dust mask, and when I blow my nose, it is the normal color. I plan to make a bigger hood. You can get 4 x 8 sheet stock of plastic in 1/4 inch and less thickness. I will make one that can be left up all the time rather than when I have to sand. There are other hoods that are available, or at least bungee cord the hose in place close to the work. It will get almost all of the dust if you are sanding spindles or small things. More dust will escape when using power sanders on bigger bowls. robo hippy Bill in Detroit wrote: Paul Gilbert wrote: I have a 20" Powermatic and a Orinda 2 HP Dust Gorilla. I am presently running the duct work. What kind of shop made collection device should I use and where should it be located? Paul, I've been using a shop-built whole-shop air cleaner for a little over 9 months. I replaced the filters last week at a cost of about $60. In those 9 months, I've only needed to vacuum the shop shelves once. The floor gets it 4-5 times a week ... sometimes 2-3 times in the day. Obviously the shop does not stand idle long. I had some dunnage plywood that was 40x40. I used that for the front and rear of a plenum box. This box houses a furnace fan feeding off (2) 800 Sq inch filter stacks (20 x 20 filters taped edgewise for a 40 x 20 assembly). Each stack consists of a regular household filter followed by a 5 micron filter followed by a .3 micron filter. The sides of the box are open with braces to keep the filters from being sucked in. The filters are held in place by the suction generated. The fan output generates quite a breeze along the floor. I would guesstimate that my shop air is being filtered roughly 3-4 times a minute. Big dust drops where it is made, the fine stuff heads back along the sidewalls toward the intake filters on the air cleaner. The bags for the DC are in the return stream and closer to the air cleaner than I am. Modify this general scheme to suit the available material and I think you'll find that you have more than adequate ambient air filtration. Ralph made a good point ... don't rely on a single method to provide safe air. Use a respirator, point of origin dust / chip collection and a good sized ambient air filter. Above all else ... wear that respirator and test the seal. Bill -- Preach the gospel at all times. Use words if necessary. St Francis of Assisi --- avast! Antivirus: Outbound message clean. Virus Database (VPS): 0701-0, 01/03/2007 Tested on: 1/3/2007 8:10:45 PM avast! - copyright (c) 1988-2007 ALWIL Software. http://www.avast.com |
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